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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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February 18, 1983 · Swearingen SA-26T · N737EF

Madison, SD

Overview

Report Status
Preliminary report
Event Type
Accident
Date
February 18, 1983
Injury Outcomes
No injuries (3 uninjured)
Location
Madison, SD
Aircraft
Swearingen SA-26T
Tail Number
N737EF
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DEN83LA065

THE AIRCRAFT COLLIDED WITH A SNOWBANK 10 FEET BEYOND THE THRESHOLD DURING LANDING. AFTER THE ACCIDENT THE PILOT REPORTEDTHAT DURING THE FINAL APPROACH TO A LANDING ON RUNWAY 32, THE LEFT MAIN LANDING GEAR CONTACTED A 2 FOOT HIGH SNOWBANK JUST BEYOND THE THRESHOLD LIGHTS. THE SCISSORS ASSEMBLY OF THE LEFT MAIN GEAR WAS BROKEN AND ALLOWED THE WHEEL TO ROTATE360 DEGREES ON THE AXIS OF THE STRUT. DIRECTIONAL CONTROL WAS MAINTAINED AND THE ACFT REMAINED ON THE RUNWAY. AT FIRST DAMAGE WAS THOUGHT TO BE MINIMAL. AFTER FURTHER INSPECTION FOR REPAIRS TO THE STRUCTURE THE DAMAGE WAS FOUND TO BE SUBSTANTIAL.

Full Narrative

THE AIRCRAFT COLLIDED WITH A SNOWBANK 10 FEET BEYOND THE THRESHOLD DURING LANDING. AFTER THE ACCIDENT THE PILOT REPORTEDTHAT DURING THE FINAL APPROACH TO A LANDING ON RUNWAY 32, THE LEFT MAIN LANDING GEAR CONTACTED A 2 FOOT HIGH SNOWBANK JUST BEYOND THE THRESHOLD LIGHTS. THE SCISSORS ASSEMBLY OF THE LEFT MAIN GEAR WAS BROKEN AND ALLOWED THE WHEEL TO ROTATE360 DEGREES ON THE AXIS OF THE STRUT. DIRECTIONAL CONTROL WAS MAINTAINED AND THE ACFT REMAINED ON THE RUNWAY. AT FIRST DAMAGE WAS THOUGHT TO BE MINIMAL. AFTER FURTHER INSPECTION FOR REPAIRS TO THE STRUCTURE THE DAMAGE WAS FOUND TO BE SUBSTANTIAL.

Flight

Event TypeAccident
Event Time19:50 CST
Nearest AirportMADISON (0nm N)
Runway32
Runway Length4200 ft
Runway Width75 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftSwearingen SA-26T
Tail NumberN737EF
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT6A-26 · Turboprop
Seats5

People & Injuries

Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 43 · Second Class

Conditions

ConditionsVMC
LightDark Night
Wind90° @ 10 kt, gusting 15 kt
Visibility5 sm
CeilingOvercast 2500 ft
Temperature / Dew Point27 C / 25 C
Altimeter0
Weather SourceWFAC

Appendix: Source Data